java 排序

數字
Collections.sort(planAssgns,new Comparator(){
public int compare(PlanAssgn arg0, PlanAssgn arg1) {
int orderA = arg0.getRsv_cnt();
int orderB = arg1.getRsv_cnt();
return orderB - orderA;
}
});
文字
Collections.sort(depts_news,new Comparator(){
public int compare(Dept arg0, Dept arg1) {
return arg0.getP_dep_code().compareTo(arg1.getP_dep_code());
}
});